Roko Prkačin (born 26 November 2002) is a Croatian professional basketball player for Nanterre 92 of the French Ligue nationale de basket.

[6][7] On 12 January 2019, Prkačin made his professional and Adriatic League debut for Cibona in a 89–68 loss to Cedevita, making 6 points and 6 rebounds.

In the 2023-24 campaign, Prkačin saw the hardwood in 22 ACB contests, averaging 2.5 points per outing for the Gran Canaria team.

[15] In the same summer of 2018, Prkačin played with the Croatia under-16 team that won the gold medal at the 2018 FIBA Europe Under-16 Championship held in Novi Sad.

[17] On 27 November 2020, one day after his 18th birthday, Prkačin made his debut for the Croatia national team at the EuroBasket 2022 qualification in a 79–62 win over Turkey, making 6 points and one rebound.